Tom Petty pictures through the years

Tom Petty performs at KAABOO 2017 at the Del Mar Racetrack and Fairgrounds on Sunday, Sept. 17, 2017, in San Diego.

Mike Campbell, left, and Tom Petty perform at KAABOO 2017 at the Del Mar Racetrack and Fairgrounds in San Diego on Sunday, Sept. 17, 2017.

Tom Petty and the Heartbreakers perform during their 40th anniversary tour at Bridgestone Arena on April 25, 2017, in Nashville, Tenn.

Tom Petty and the Heartbreakers perform onstage during the fifth annual Sean Penn & Friends Help Haiti Home Gala at Montage Hotel in Beverly Hills, Calif., on Jan. 9, 2016.

Tom Petty takes the stage at Madison Square Garden on Sept. 10, 2014.

Tom Petty and the Heartbreakers perform during their Hypnotic Eye Tour 2014 in Philadelphia on Sept. 15, 2014.

Tom Petty takes the stage at Madison Square Garden on Sept. 10, 2014.

Tom Petty arrives for the MTV Video Music Awards in Los Angeles on Sept. 6, 2012.

Tom Petty and the Heartbreakers rock Madison Square Garden.

Tom Petty and the Heartbreakers have played Madison Square Garden several times.

Tom Petty and the Heartbreakers rock Madison Square Garden.

Tom Petty speaks at a news conference on Thursday, Jan. 31, 2008, in Phoenix, a few days before his performance at the Super Bowl XLII halftime show on Feb. 3.

Tom Petty performs during the halftime show of Super Bowl XLII at the University of Phoenix Stadium in Glendale, Ariz., on Feb. 3, 2008.

Tom Petty and the Heartbreakers perform at the Vegoose music festival at Sam Boyd Stadium's Star Nursery Field on Oct. 28, 2006, in Las Vegas.

Tom Petty and the Heartbreakers perform at the Vegoose music festival at Sam Boyd Stadium's Star Nursery Field on Oct. 28, 2006, in Las Vegas.

Tom Petty and the Heartbreakers perform at the Vegoose music festival at Sam Boyd Stadium's Star Nursery Field on Oct. 28, 2006, in Las Vegas.

Tom Petty and the Heartbreakers perform during a sold-out show at The Joint inside the Hard Rock Hotel & Casino on Aug. 16, 2005, in Las Vegas.

Tom Petty and the Heartbreakers perform during a sold-out show at The Joint inside the Hard Rock Hotel & Casino on Aug. 16, 2005, in Las Vegas.

Tom Petty poses with the Century Award in the press room during the 2005 Billboard Music Awards at the MGM Grand Garden Arena on Dec. 6, 2005, in Las Vegas.

Tom Petty and the Heartbreakers perform at the Verizon Wireless Amphitheatre on Aug. 14, 2005, in Irvine, Calif.

Tom Petty performs at Jones Beach on June 21, 2005.

Tom Petty performs at Jones Beach on June 21, 2005.

Tom Petty appears on "The Tonight Show with Jay Leno" at the NBC Studios on Oct. 1, 2003, in Burbank, Calif.

Tom Petty with Stevie Nicks backstage at the Radio Music Awards at the Aladdin Casino Resort on Oct. 27, 2003, in Las Vegas.

Tom Petty is seen with Marilyn Manson at the premiere of the movie "Blow" at the Chinese Theatre in Hollywood, Calif., on March 29, 2001.

Tom Petty signs autographs after his band, Tom Petty and the Heartbreakers, was honored with a star on the Hollywood Walk of Fame on April 28, 1999.

Tom Petty and the Heartbreakers were honored with a star on the Hollywood Walk of Fame on April 28, 1999. From left, guitarists Mike Campbell and Howie Epstein, lead vocalist Tom Petty and keyboardist Benmont Tench.

Tom Petty and the Heartbreakers were honored with a star on the Hollywood Walk of Fame on April 28, 1999. From left, guitarists Mike Campbell and Howie Epstein, lead vocalist Tom Petty and keyboardist Benmont Tench.

Tom Petty, right, performs with Bob Dylan in Modena, Italy, in September 1987 during the Dylan's Temples in Flames tour.